package com;

import java.util.PriorityQueue;

/**
 * 堆的实现
 * 小根堆
 * 大根堆
 */
public class Heap {
    public static void main(String[] args) {
        PriorityQueue <Integer> heap = new PriorityQueue<>();
        heap.add(1);
        heap.poll()
    }
}
